Actually, better sql would likely be: dbs.final <- sqldf("select * from dbs.possible.combos left join dbs.aggregate using (Date,Place)")
but this still doesn't work -- View this message in context: http://n4.nabble.com/question-on-sqldf-syntax-tp1289707p1289718.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.